{"answers": "C", "options": ["f : thank you . the milk does n't have any smell , so it must be in good quality .", "f : thank you . i think the fruit has gone bad .", "f : thank you . i think the milk has gone bad .", "f : thank you . i do n't know why the milk is so salty , so i want to change another brand ."], "article": "f : i 'm sorry to complain about the milk . when we opened it at home , it smells terrible . m : oh , i 'm sad to hear that . i will change it for you right away .", "id": "train_6269"}